<template>
<div>
    <div style="margin: 10px 0">
        <el-input style="width: 200px;cursor: pointer" suffix-icon="el-icon-search" placeholder="请输入名称"  v-model="name"></el-input>
        <el-button type="primary" class="ml-5" @click="load">搜索</el-button>
        <el-button type="warning" class="ml-5" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
        <el-button type="primary" class="ml-5" @click="handleAdd(null)">新增<i class="el-icon-circle-plus-outline"></i> </el-button>
        <!--            二次确认按钮-->
        <el-popconfirm
                class="ml-5"
                confirm-button-text='好的'
                cancel-button-text='我再想想'
                icon="el-icon-info"
                icon-color="red"
                title="你确定删除吗？"
                @confirm="delBatch"
        >
            <el-button type="danger" slot="reference" class="ml-5" >批量删除<i class="el-icon-remove-outline"></i> </el-button>
        </el-popconfirm>
    </div>
    <el-table :data="tableData" border stripe :header-cell-class-name="headBg" row-key="id" default-expand-all @selection-change="handleSelectionChange" >
        <el-table-column type="selection">
        </el-table-column>
        <el-table-column prop="id" label="id">
        </el-table-column>
        <el-table-column prop="name" label="名称">
        </el-table-column>
        <el-table-column prop="path" label="路径">
        </el-table-column>
        <el-table-column label="图标">
            <template slot-scope="scope" style="text-align: center">
                <span :class="scope.row.icon" style="font-size: 18px;"/>
            </template>
        </el-table-column>
        <el-table-column prop="description" label="描述">
        </el-table-column>
        <el-table-column prop=" " label=" " width="280">
            <template slot-scope="scope">
                <el-button type="primary" @click="handleAdd(scope.row.id)" v-if="!scope.row.pid && !scope.row.path" >新增子菜单<i class="el-icon-edit"></i></el-button>
                <el-button type="success" @click="handleEdit(scope.row)" >编辑<i class="el-icon-edit"></i></el-button>
                <el-popconfirm
                        class="ml-5"
                        confirm-button-text='好的'
                        cancel-button-text='我再想想'
                        icon="el-icon-info"
                        icon-color="red"
                        title="你确定删除吗？"
                        @confirm="handleDel(scope.row.id)"
                >
                    <el-button slot="reference" type="danger">删除<i class="el-icon-remove-outline"></i></el-button>
                </el-popconfirm>
            </template>
        </el-table-column>

    </el-table>

    <div style="padding: 10px 0">
        <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
            <el-form label-width="70px" size="small" >
                <el-form-item label="名称" >
                    <el-input v-model="form.name" type="text" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="描述" >
                    <el-input v-model="form.description" type="text" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="路径" >
                    <el-input v-model="form.path" type="text" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="图标" >
                    <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
                        <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
                            <i :class="item.value"/>{{item.name}}
                        </el-option>
                    </el-select>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer" >
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveUser">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</div>
</template>

<script>
    export default {
        name: "Role",
        data(){
            return{
                tableData: [],
                total:0,
                pageNum:1,
                pageSize:10,
                name:"",
                dialogFormVisible:false,
                form:{},
                multipleSelection:[],
                headBg:'headBg',
                options: []
            }
        },
        created() {
            this.load()
        },
        methods: {
            handleAdd(pid){
              this.dialogFormVisible = true
              this.form = {}
              if (pid){
                  this.form.pid = pid
              }
            },
            handleSizeChange(pageSize){
                this.pageSize=pageSize
                this.load()
            },
            handleCurrentChange(pageNum){
                this.pageNum=pageNum
                this.load()
            },
            load(){
                //请求分页查询数据
                this.request.get("/meun",{
                    params:{
                        name:this.name,
                    }
                }).then(res=>
                {
                    this.tableData=res.data
                })

            },
            reset(){
                this.name="",
                    this.load()
            },
            saveUser(){
                this.request.post("/meun/",this.form).then(res=>{
                    if(res.code === '200'){
                        this.$message.success("保存成功"),
                            this.dialogFormVisible=false,
                            this.load()
                    }else {
                        this.$message.error("保存失败")
                    }
                })
            },
            handleEdit(row){
                this.form=row
                this.dialogFormVisible=true

                //请求图标数据
                this.request.get("/meun/icons").then(res=>
                {
                    console.log(res.data)
                    this.options=res.data
                })
            },
            handleDel(id){
                this.request.delete("/meun/"+id).then(res=>{
                    if(res.code === '200'){
                        this.$message.success("删除成功"),
                            this.load()
                    }else {
                        this.$message.error("删除失败")
                    }
                })
            },
            delBatch(){
                let ids=this.multipleSelection.map(v=>v.id) //[{},{},{},{}]   ==>  1,2,3
                this.request.post("/meun/del/batch",ids).then(res=>{
                    if(res.code === '200'){
                        this.$message.success("批量删除成功"),
                            this.load()
                    }else {
                        this.$message.error("批量删除失败")
                    }
                })
            },
            handleSelectionChange(val){
                console.log(val),
                    this.multipleSelection=val
            }
        }
    }
</script>
<style>
    .headBg{
        background:lightblue!important
    }
</style>